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MIC24055 Datasheet(PDF) 8 Page - Micrel Semiconductor |
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MIC24055 Datasheet(HTML) 8 Page - Micrel Semiconductor |
8 / 29 page Micrel, Inc. MIC24055 December 2012 8 M9999-120712-A Typical Characteristics (Continued) Die Temperature* : The temperature measurement was taken at the hottest point on the MIC24055 case mounted on a 5 square inch, 4 layer, 0.62 inch, FR-4 PCB with 2oz finish copper weight per layer, see Thermal Measurement section. Actual results will depend upon the size of the PCB, ambient temperature and proximity to other heat emitting components. 0 5 10 15 20 25 30 -50 -25 0 25 50 75 100 125 TEMPERATURE ( °C) Output Current Limit vs. Temperature VIN = 12V V OUT = 1.8V 0.792 0.796 0.800 0.804 0.808 0 2 4 6 8 10 12 OUTPUT CURRENT (A) Feedback Voltage vs. Output Current VIN = 12V V OUT = 1.8V 1.782 1.787 1.791 1.796 1.800 1.805 1.810 1.814 1.819 0 2 4 6 8 10 12 OUTPUT CURRENT (A) Output Voltage vs. Output Current VIN = 12V V OUT = 1.8V -1.0% -0.5% 0.0% 0.5% 1.0% 0 2 4 6 8 10 12 OUTPUT CURRENT (A) Line Regulation vs. Output Current VIN = 4.5V to 19V V OUT = 1.8V 500 550 600 650 700 0 2 4 6 8 10 12 OUTPUT CURRENT (A) Switching Frequency vs. Output Current VIN = 12V V OUT = 1.8V 3.0 3.4 3.8 4.2 4.6 5.0 0 3 6 9 12 15 OUTPUT CURRENT (A) Output Voltage (VIN = 5V) vs. Output Current T A 25ºC 85ºC 125ºC VIN = 5V V FB < 0.8V 50 55 60 65 70 75 80 85 90 95 100 0 3 6 9 12 15 OUTPUT CURRENT (A) Efficiency (VIN = 5V) vs. Output Current 3.3V 2.5V 1.8V 1.5V 1.2V 1.0V 0.9V 0.8V VIN = 5V 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 3 6 9 12 OUTPUT CURRENT (A) IC Power Dissipation (VIN = 5V) vs. Output Current VIN = 5V V OUT = 3.3V V OUT = 0.8V 0 20 40 60 80 100 0 2 4 6 8 10 12 OUTPUT CURRENT (A) Die Temperature* (VIN = 5V) vs. Output Current VIN = 5V V OUT = 1.8V |
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